查询词典 sieve method
- 与 sieve method 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Problems existed in a micro-reactor evaluation unit were analyzed, some improvements were also made including feeding method from liquid to gas, replacing stainless steel wire mesh in reactor with special quartz sieve plate , decreasing pipeline in collective system and replacement of pressure water method by vacuum dehydration.
分析了旧微反应评价装置存在的问题,并对其进行了如下改进:进料方式由液体进料改为气体进料;反应器内原有的不锈钢丝网用定制的石英筛板替换;收集系统减少了管线,并用真空吸水法替代了压水法。
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Stemming from the water sieve analysis method, a test method of CPA was proposed.
由水筛法得到启示,提出了一套水泥净浆结粒的检测方法。
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Objective: To study the Cefoxitin disk diffusion method sieve Methicillin-resistant Staphylococcus aureus method.
目的:研究头孢西丁纸片法筛选耐甲氧西林金黄色葡萄球菌的方法。
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SRM 114q is for calibrating the Blaine fineness meter according to the latest issue of ASTM C204, to calibrate the Wagner turbidimeter according to ASTM C115, to determine sieve residue according to ASTM C430, and to verify procedure for particle size distribution by a laser diffraction method (no-standard method available).
SRM 114q是用来根据ASTM C204来校准布莱因细微粒度测定仪,根据ASTM C115来校准瓦格纳浑浊度仪,根根据ASTM C430来筛选,用激光衍射法来验证颗粒大小分布。
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Five vanadium catalysts were made with γ-Al2O3 and the mesoporous molecular sieve MCM-41 as carrier, and were made by dipping method, intermingle process and functionalizing method respectively.
结果表明,采用以V2O5为活性组分,介孔分子筛为载体,浸渍法制备的钒催化剂,反应时DPC收率及DPC选择性是最高的,催化反应的效果最好。
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And precipitation rate of vanadium was higher than 98.5%. Five vanadium catalysts were made withγ-Al_2O_3 and the mesoporous molecular sieve MCM-41 as carrier, and were made by dipping method, intermingle process and functionalizing method respectively. The characterization of their pore size, crystal structure, specific surface area and V_2O_5 load of catalysts were studied by XRD, the adsorption /desorption of N_2 technique, Raman spectroscopy and XRF. The activities of the catalysts estimated by the synthesis of DPC with DMC and phenol.
钒催化剂的制备与表征及活性评价:是分别以γ-Al_2O_3和介孔分子筛为载体,采用浸渍法,掺杂法及官能化法制备了5种钒催化剂;分别对其进行了XRD分析、N_2吸附-脱附分析、红外光谱分析和荧光分析,对其孔径、晶型结构、比表面积和V_2O_5负载量进行了表征;以碳酸二甲酯和苯酚的酯交换合成碳酸二苯酯的典型反应为依据,对钒催化剂进行了活性评价。
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In this paper,the SMO-type lithium ion sieve was the main research object,the manganates and lithium salts were taken as the main raw materials.Two LISs with high uptake capacity,better selectivity and stable structure were successfully prepared by hydrothermal method and coprecipitation method based on the discussion of correlation between Li+ uptake performance and the preparation conditions of LIS precursors.The effects of preparation conditions on Li+ uptake were also investigated.
本文以SMO型锂离子筛为研究对象,以锰盐和锂盐为主要原料,在采用固相法探讨离子筛前驱体制备条件与离子筛提锂性能关系的基础上,分别采用水热法、共沉淀法为主要合成方法,成功制备了具有高提锂容量、选择性好及结构稳定的两种锂离子筛材料,并研究了合成条件对材料制备及提锂性能的影响。
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To pick the depletion region note thick liquid with the traditional use to guard against the fire fighting method to be different,topicked the depletion region to pour into the nitrogen the method topresent more superiority,introduced the motion typecarbon member sieve making nitrogen machine constitution.
与传统的采用向采空区注浆灭火方法不同,向采空区注入氮气的方法呈现出更大的优势,介绍了移动式碳分子筛制氮机的构成、制氮的工艺流程、电气控制以及向采空区注氮在灭火中的优点。
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The method solves the problems better through adopting the following technical proposal that: the method takes the solid super acid consisting of the VIB group elements or the VIB group elements and the IVB group elements in the periodic table of elements and loaded on a symbiosis molecular sieve as catalyst, and naphtha with the component being C4-C10 as a raw material so as to carry out catalytic cracking reaction at a temperature of between 550 and 700 DEG C, under a pressure of between 0.01 and 0.5 MPa, at a reaction weight space velocity of between 0.1 and 4 hours and with the weight ratio between water and naphtha of between 0.5:1 and 4:1, thereby generating ethylene and propylene.
本发明涉及一种催化裂解制乙烯丙烯的方法,主要解决现有催化裂解制乙烯丙烯催化剂的使用温度高,活性低,乙烯丙烯选择性差的问题,本发明通过使用在共生分子筛上负载由元素周期表VIB族元素或VIB族元素和IVB族元素组成的固体超强酸作为催化剂,以组份为C 4 ~C 10 的石脑油为原料,在反应温度为550~700℃,反应压力为0.01~0.5MPa,反应重量空速为0.1~4小时-1 ,水/石脑油重量比为0.5~4∶1的条件下,进行催化裂解反应生成乙烯丙烯的技术方案,较好地解决了该问题,可用于催化裂解制乙烯丙烯的工业生产中。
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Traditional sports teaching method,already could not adapt the new times sports curriculum to reform; this article means which through the literature law, the questionnaire investigation law, the cut-and-try method unifies, carries on the comparison to the traditional each sports teaching method, discovered the sports competition teaching method can adapt the new times student sports demand; the competition teaching method is unifies the traditional teaching method in the foundation one new teaching method, proved through the experiment, its teaching effect is good.
一些传统的体育教学思想、教学理念、教学方法、教学模式已经不能够适应现代教学的需要,在此过程中,为提高教学质量,就必须对教学方法进行改革。作为体育教学,如何进一步转变体育教育思想,深化体育教学改革,摆脱旧的传统的教学体系、思想体系和理论模式,逐步形成一个新型的,具有中国特色的教学过程和教材体系,使我国体育教学面向未来社会的需要,跟上21世纪学校体育发展的需要,是本文探讨和研究的问题。
- 相关中文对照歌词
- The Worst
- Madness To The Method
- N 2 Gether Now
- Method Man
- What's Happenin'
- Afterparty
- Know Your Role
- Method Man (Home Grown Version)
- Part II
- Method Man (Home Grown Version)
- 推荐网络例句
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There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.
那次早餐会期间,在表示过关心和寒暄以后,我们所有人坐了下来,我注意观察了一下,副总统切尼面无表情地吃着班尼迪克蛋(Eggs benedict,源自美国,以英式松饼、火腿、水煮蛋以及荷兰酱组合而成),卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机,我目睹了他所不为人知的一面。
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Talk Undelete failed; someone else may have undeleted the page first.
Talk 无法删除选定的页面或图像(它可能已经被其他人删除了)。
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When you leave a part of my life.
当你离开了,我只是希望你能幸福在以后的日子里。